(a.) A prefix from the Latin ultra beyond (see Ulterior), having in composition the signification beyond, on the other side, chiefly when joined with words expressing relations of place; as, ultramarine, ultramontane, ultramundane, ultratropical, etc. In other relations it has the sense of excessively, exceedingly, beyond what is common, natural, right or proper; as, ultraconservative; ultrademocratic, ultradespotic, ultraliberal, ultraradical, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ultra-. Retrieved September 21, 2026, from http://smartdefine.org/ultra-/definitions/2076077 |
| Chicago | Webster's. 2011. "ultra-" http://smartdefine.org/ultra-/definitions/2076077 (accessed September 21, 2026). |
| Harvard | Webster's 2011, ultra-, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/ultra-/definitions/2076077>. |
| MLA | Webster's. "ultra-" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/ultra-/definitions/2076077> |